/* ============================================
   BriefIntel — Intelligence Article CSS
   Uses main site theme variables (light/dark/elite)
   theheraldtoday.com
   ============================================ */

/* --- Container --- */
.bi-page {
  line-height: var(--lh-body, 1.6);
}

.bi-container {
  max-width: 840px;
  margin: 0 auto;
  padding: 0 20px;
}

/* --- Top Bar --- */
.bi-topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line, #BFD1C6);
  margin-bottom: 24px;
  flex-wrap: wrap;
}

/* --- Headline --- */
.bi-headline {
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text, #0E1F16);
  margin-bottom: 32px;
  letter-spacing: -0.01em;
}

/* --- Tension Badges --- */
.bi-tension-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.bi-tension-badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: var(--r-full, 0px);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.8px;
}

.bi-tension--critical {
  background: rgba(200, 33, 58, 0.12);
  color: #C8213A;
  border: 1px solid rgba(200, 33, 58, 0.25);
  animation: bi-pulse 2s infinite;
}

.bi-tension--high {
  background: rgba(201, 150, 26, 0.12);
  color: #C9961A;
  border: 1px solid rgba(201, 150, 26, 0.25);
}

.bi-tension--medium {
  background: rgba(29, 158, 117, 0.12);
  color: #1D9E75;
  border: 1px solid rgba(29, 158, 117, 0.25);
}

.bi-tension--low {
  background: var(--grey, #E8EDE9);
  color: var(--muted, #607568);
  border: 1px solid var(--soft, #D4DDD6);
}

.bi-pk-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--r-full, 0px);
  background: var(--primary-soft, rgba(0,95,56,0.08));
  color: var(--primary, #005F38);
  border: 1px solid var(--primary-glow, rgba(0,95,56,0.14));
}

@keyframes bi-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(200, 33, 58, 0.4); }
  50% { box-shadow: 0 0 0 6px rgba(200, 33, 58, 0); }
}

/* --- Section --- */
.bi-section {
  margin-bottom: 48px;
}

.bi-section-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--primary, #005F38);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.bi-section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--primary-glow, rgba(0,95,56,0.14)), transparent);
}

/* --- Executive Brief --- */
.bi-exec-brief {
  background: var(--surface, #fff);
  border: 1px solid var(--line, #BFD1C6);
  border-left: 4px solid var(--primary, #005F38);
  border-radius: var(--r-md, 0px);
  padding: 28px;
  margin-bottom: 48px;
  box-shadow: var(--shadow-sm, 0 2px 8px rgba(0,0,0,0.06));
}

.bi-exec-brief__gist {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text, #0E1F16);
  margin-bottom: 16px;
  line-height: 1.5;
}

.bi-exec-brief__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 16px;
}

.bi-exec-card {
  padding: 14px;
  border: 1px solid var(--line, #BFD1C6);
  border-radius: var(--r-sm, 0px);
  background: var(--surface-2, #F0F4F1);
}

.bi-exec-card h4 {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.8px;
  color: var(--muted, #607568);
  margin: 0 0 8px;
}

.bi-exec-card p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-2, #2D3D34);
  margin: 0;
}

/* --- Hero Image --- */
.bi-hero-image {
  margin-bottom: 32px;
}

.bi-hero-image img {
  width: 100%;
  border-radius: var(--r-md, 0px);
}

/* --- Article Body --- */
.bi-article-body-section {
  margin-bottom: 48px;
}

.bi-article-body {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text, #0E1F16);
}

.bi-article-body p {
  margin-bottom: 1.2em;
}

.bi-article-body strong {
  color: var(--text, #0E1F16);
  font-weight: 600;
}

/* --- Stakeholder Graph --- */
.bi-graph-wrapper {
  background: var(--surface, #fff);
  border: 1px solid var(--line, #BFD1C6);
  border-radius: var(--r-md, 0px);
  padding: 28px;
  overflow: hidden;
  position: relative;
}

.bi-graph {
  position: relative;
  width: 100%;
  min-height: 360px;
  margin: 0 auto;
}

.bi-graph svg {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 1;
}

.bi-graph-node {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  z-index: 2;
  transition: transform 0.25s cubic-bezier(0.4,0,0.2,1), filter 0.25s cubic-bezier(0.4,0,0.2,1);
}

.bi-graph-node:hover {
  transform: scale(1.1);
  z-index: 10;
  filter: drop-shadow(0 0 12px var(--primary-glow, rgba(0,95,56,0.14)));
}

.bi-graph-node__icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  border: 3px solid var(--line, #BFD1C6);
  transition: border-color 0.25s cubic-bezier(0.4,0,0.2,1), box-shadow 0.25s cubic-bezier(0.4,0,0.2,1);
}

.bi-graph-node:hover .bi-graph-node__icon {
  border-color: var(--primary, #005F38);
  box-shadow: 0 0 20px var(--primary-glow, rgba(0,95,56,0.14));
}

.bi-graph-node__icon--state { background: linear-gradient(135deg, #1e3a5f, #2563eb); }
.bi-graph-node__icon--military { background: linear-gradient(135deg, #7f1d1d, #dc2626); }
.bi-graph-node__icon--political { background: linear-gradient(135deg, #713f12, #d97706); }
.bi-graph-node__icon--economic { background: linear-gradient(135deg, #14532d, #16a34a); }
.bi-graph-node__icon--group { background: linear-gradient(135deg, #4c1d95, #8b5cf6); }
.bi-graph-node__icon--international { background: linear-gradient(135deg, #0e7490, #06b6d4); }
.bi-graph-node__icon--default { background: linear-gradient(135deg, #374151, #6b7280); }

.bi-graph-node__label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text, #0E1F16);
  text-align: center;
  max-width: 80px;
  line-height: 1.3;
}

.bi-graph-node__role {
  font-size: 0.6rem;
  color: var(--muted, #607568);
  text-align: center;
}

.bi-graph-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--line, #BFD1C6);
}

.bi-graph-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.7rem;
  color: var(--muted, #607568);
}

.bi-graph-legend-line {
  width: 24px;
  height: 3px;
  border-radius: 2px;
}

.bi-graph-legend-line--allied { background: #10b981; }
.bi-graph-legend-line--adversarial { background: #ef4444; }
.bi-graph-legend-line--subordinate { background: #f59e0b; }
.bi-graph-legend-line--dependent { background: #3b82f6; }
.bi-graph-legend-line--conduit { background: #6b7280; }

/* Graph highlight states */
.bi-graph-node.dimmed {
  opacity: 0.25;
  filter: grayscale(0.5);
}

.bi-graph-node.highlighted .bi-graph-node__icon {
  border-color: var(--primary, #005F38);
  box-shadow: 0 0 20px var(--primary-glow, rgba(0,95,56,0.14));
}

.bi-graph-line { transition: opacity 0.25s cubic-bezier(0.4,0,0.2,1); }
.bi-graph-line.dimmed { opacity: 0.1; }
.bi-graph-line.highlighted { opacity: 1; filter: drop-shadow(0 0 4px currentColor); }

/* --- Impact Analysis --- */
.bi-impact-grid {
  display: grid;
  gap: 16px;
}

.bi-impact-card {
  background: var(--surface, #fff);
  border: 1px solid var(--line, #BFD1C6);
  border-radius: var(--r-md, 0px);
  padding: 24px;
  transition: border-color 0.25s cubic-bezier(0.4,0,0.2,1), box-shadow 0.25s cubic-bezier(0.4,0,0.2,1);
}

.bi-impact-card:hover {
  border-color: var(--soft, #D4DDD6);
  box-shadow: var(--shadow-sm, 0 2px 8px rgba(0,0,0,0.06));
}

.bi-impact-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
  gap: 12px;
}

.bi-impact-card__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text, #0E1F16);
}

.bi-impact-card__severity {
  flex-shrink: 0;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.bi-severity--high { background: rgba(200, 33, 58, 0.12); color: #C8213A; }
.bi-severity--medium { background: rgba(201, 150, 26, 0.12); color: #C9961A; }
.bi-severity--low { background: rgba(29, 158, 117, 0.12); color: #1D9E75; }

.bi-impact-card__desc {
  font-size: 0.9rem;
  color: var(--text-2, #2D3D34);
  line-height: 1.7;
  margin-bottom: 0;
}

.bi-impact-zoom-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  padding: 6px 14px;
  background: var(--primary-soft, rgba(0,95,56,0.08));
  color: var(--primary, #005F38);
  border: 1px solid var(--primary-glow, rgba(0,95,56,0.14));
  border-radius: var(--r-full, 0px);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
}

.bi-impact-zoom-toggle:hover {
  background: var(--primary-glow, rgba(0,95,56,0.14));
}

.bi-impact-zoom-toggle svg {
  width: 14px;
  height: 14px;
  transition: transform 0.25s cubic-bezier(0.4,0,0.2,1);
}

.bi-impact-zoom-toggle.active svg {
  transform: rotate(180deg);
}

.bi-impact-zoom-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.4,0,0.2,1), opacity 0.3s ease, margin-top 0.3s ease;
  opacity: 0;
  margin-top: 0;
}

.bi-impact-zoom-content.open {
  max-height: 600px;
  opacity: 1;
  margin-top: 16px;
}

.bi-impact-zoom-inner {
  background: var(--surface-2, #F0F4F1);
  border: 1px solid var(--line, #BFD1C6);
  border-radius: var(--r-sm, 0px);
  padding: 18px;
  font-size: 0.85rem;
  color: var(--text, #0E1F16);
  line-height: 1.7;
}

.bi-impact-zoom-inner strong {
  color: var(--primary, #005F38);
}

/* --- Timeline --- */
.bi-timeline-wrapper {
  background: var(--surface, #fff);
  border: 1px solid var(--line, #BFD1C6);
  border-radius: var(--r-md, 0px);
  padding: 28px;
  overflow: hidden;
}

.bi-timeline {
  display: flex;
  gap: 0;
  overflow-x: auto;
  padding: 24px 0 16px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  position: relative;
}

.bi-timeline::before {
  content: '';
  position: absolute;
  top: 43px;
  left: 28px;
  right: 28px;
  height: 2px;
  background: var(--soft, #D4DDD6);
  z-index: 0;
}

.bi-timeline-item {
  flex: 0 0 220px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 12px;
  scroll-snap-align: start;
  position: relative;
  z-index: 1;
}

.bi-timeline-item__dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary, #005F38);
  border: 3px solid var(--surface, #fff);
  box-shadow: 0 0 0 2px var(--primary, #005F38);
  margin-bottom: 16px;
  transition: transform 0.25s cubic-bezier(0.4,0,0.2,1), box-shadow 0.25s cubic-bezier(0.4,0,0.2,1);
}

.bi-timeline-item:hover .bi-timeline-item__dot {
  transform: scale(1.4);
  box-shadow: 0 0 0 3px var(--primary, #005F38), 0 0 16px var(--primary-glow, rgba(0,95,56,0.14));
}

.bi-timeline-item__date {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--primary, #005F38);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.bi-timeline-item__event {
  font-size: 0.85rem;
  color: var(--text, #0E1F16);
  font-weight: 500;
  line-height: 1.4;
  max-width: 190px;
}

.bi-timeline-item__detail {
  font-size: 0.75rem;
  color: var(--muted, #607568);
  margin-top: 6px;
  line-height: 1.4;
  max-width: 190px;
}

/* --- Scenario Cards --- */
.bi-scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.bi-scenario-card {
  background: var(--surface, #fff);
  border: 1px solid var(--line, #BFD1C6);
  border-radius: var(--r-md, 0px);
  padding: 24px;
  transition: border-color 0.25s cubic-bezier(0.4,0,0.2,1), box-shadow 0.25s cubic-bezier(0.4,0,0.2,1);
}

.bi-scenario-card:hover {
  border-color: var(--soft, #D4DDD6);
  box-shadow: var(--shadow-sm, 0 2px 8px rgba(0,0,0,0.06));
}

.bi-scenario-card__label {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}

.bi-scenario--base .bi-scenario-card__label { color: #3b82f6; }
.bi-scenario--upside .bi-scenario-card__label { color: #1D9E75; }
.bi-scenario--downside .bi-scenario-card__label { color: #C8213A; }

.bi-scenario-card__title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text, #0E1F16);
  margin-bottom: 14px;
  line-height: 1.4;
}

.bi-scenario-card__prob {
  margin-bottom: 16px;
}

.bi-scenario-card__prob-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--muted, #607568);
  margin-bottom: 6px;
}

.bi-scenario-card__prob-bar {
  width: 100%;
  height: 6px;
  background: var(--grey, #E8EDE9);
  border-radius: 3px;
  overflow: hidden;
}

.bi-scenario-card__prob-fill {
  height: 100%;
  border-radius: 3px;
  width: 0;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.bi-scenario-card__prob-fill--base { background: linear-gradient(90deg, #3b82f6, #60a5fa); }
.bi-scenario-card__prob-fill--upside { background: linear-gradient(90deg, #1D9E75, #34d399); }
.bi-scenario-card__prob-fill--downside { background: linear-gradient(90deg, #C8213A, #f87171); }

.bi-scenario-card__desc {
  font-size: 0.8rem;
  color: var(--text-2, #2D3D34);
  line-height: 1.6;
}

/* --- Forward Look --- */
.bi-forward {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.bi-forward-card {
  background: var(--surface, #fff);
  border: 1px solid var(--line, #BFD1C6);
  border-radius: var(--r-md, 0px);
  padding: 24px;
}

.bi-forward-card--watch {
  border-top: 3px solid var(--primary, #005F38);
}

.bi-forward-card--risks {
  border-top: 3px solid #C8213A;
}

.bi-forward-card__title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text, #0E1F16);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.bi-forward-card__title svg {
  flex-shrink: 0;
  color: var(--primary, #005F38);
}

.bi-forward-card--risks .bi-forward-card__title svg {
  color: #C8213A;
}

.bi-forward-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 0;
  margin: 0;
}

.bi-forward-list li {
  font-size: 0.85rem;
  color: var(--text-2, #2D3D34);
  padding-left: 18px;
  position: relative;
  line-height: 1.5;
}

.bi-forward-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.bi-forward-card--watch .bi-forward-list li::before {
  background: var(--primary, #005F38);
}

.bi-forward-card--risks .bi-forward-list li::before {
  background: #C8213A;
}

/* --- Glossary --- */
.bi-glossary {
  background: var(--surface, #fff);
  border: 1px solid var(--line, #BFD1C6);
  border-radius: var(--r-md, 0px);
  overflow: hidden;
}

.bi-glossary-item {
  border-bottom: 1px solid var(--line, #BFD1C6);
}

.bi-glossary-item:last-child {
  border-bottom: none;
}

.bi-glossary-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: none;
  border: none;
  color: var(--text, #0E1F16);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body, 'Raleway', system-ui, sans-serif);
  transition: background 0.25s cubic-bezier(0.4,0,0.2,1);
}

.bi-glossary-trigger:hover {
  background: var(--surface-2, #F0F4F1);
}

.bi-glossary-trigger svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--muted, #607568);
  transition: transform 0.25s cubic-bezier(0.4,0,0.2,1);
}

.bi-glossary-trigger.active svg {
  transform: rotate(180deg);
}

.bi-glossary-def {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1), padding 0.3s ease;
  padding: 0 24px;
}

.bi-glossary-def.open {
  max-height: 300px;
  padding: 0 24px 16px;
}

.bi-glossary-def p {
  font-size: 0.85rem;
  color: var(--text-2, #2D3D34);
  line-height: 1.7;
  margin: 0;
}

/* --- Chat Widget --- */
.bi-chat-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary, #005F38);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px var(--primary-glow, rgba(0,95,56,0.14));
  z-index: 1000;
  transition: transform 0.25s cubic-bezier(0.4,0,0.2,1), box-shadow 0.25s cubic-bezier(0.4,0,0.2,1);
}

.bi-chat-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 28px var(--primary-glow, rgba(0,95,56,0.2));
}

.bi-chat-btn svg {
  width: 24px;
  height: 24px;
  color: #fff;
}

.bi-chat-btn.active .bi-chat-btn-icon--chat { display: none; }
.bi-chat-btn.active .bi-chat-btn-icon--close { display: block; }
.bi-chat-btn .bi-chat-btn-icon--close { display: none; }

.bi-chat-ai-label {
  font-size: 0.7rem;
  color: var(--muted, #607568);
}

.bi-chat-panel {
  position: fixed;
  bottom: 92px;
  right: 24px;
  width: 380px;
  max-height: 520px;
  background: var(--surface, #fff);
  border: 1px solid var(--line, #BFD1C6);
  border-radius: var(--r-md, 0px);
  box-shadow: var(--shadow-lg, 0 16px 48px rgba(0,0,0,0.12));
  z-index: 999;
  display: flex;
  flex-direction: column;
  transform: translateY(16px) scale(0.95);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.25s ease;
}

.bi-chat-panel.open {
  transform: translateY(0) scale(1);
  opacity: 1;
  pointer-events: auto;
}

.bi-chat-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line, #BFD1C6);
  background: var(--surface-2, #F0F4F1);
  border-radius: var(--r-md, 0px) var(--r-md, 0px) 0 0;
}

.bi-chat-panel__title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text, #0E1F16);
  display: flex;
  align-items: center;
  gap: 8px;
}

.bi-chat-panel__title-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #1D9E75;
}

.bi-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 340px;
}

.bi-chat-msg {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 0.82rem;
  line-height: 1.5;
  word-wrap: break-word;
}

.bi-chat-msg--bot {
  background: var(--surface-2, #F0F4F1);
  color: var(--text, #0E1F16);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.bi-chat-msg--user {
  background: var(--primary, #005F38);
  color: #fff;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.bi-chat-input {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--line, #BFD1C6);
}

.bi-chat-input input {
  flex: 1;
  background: var(--surface-2, #F0F4F1);
  border: 1px solid var(--line, #BFD1C6);
  border-radius: 20px;
  padding: 10px 16px;
  color: var(--text, #0E1F16);
  font-size: 0.85rem;
  font-family: var(--font-body, 'Raleway', system-ui, sans-serif);
  outline: none;
  transition: border-color 0.25s cubic-bezier(0.4,0,0.2,1);
}

.bi-chat-input input::placeholder {
  color: var(--muted, #607568);
}

.bi-chat-input input:focus {
  border-color: var(--primary, #005F38);
}

.bi-chat-input button {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--primary, #005F38);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.25s cubic-bezier(0.4,0,0.2,1);
  flex-shrink: 0;
}

.bi-chat-input button:hover {
  background: var(--primary-deep, #003D23);
}

.bi-chat-input button svg {
  width: 16px;
  height: 16px;
  color: #fff;
}

/* --- Animations --- */
.bi-fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.bi-fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .bi-container {
    padding: 0 16px;
  }

  .bi-headline {
    font-size: 1.6rem;
  }

  .bi-exec-brief {
    padding: 20px;
  }

  .bi-exec-brief__cards {
    grid-template-columns: 1fr;
  }

  .bi-scenario-grid {
    grid-template-columns: 1fr;
  }

  .bi-forward {
    grid-template-columns: 1fr;
  }

  .bi-graph {
    min-height: 280px;
  }

  .bi-graph-node__icon {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .bi-graph-node__label {
    font-size: 0.6rem;
    max-width: 60px;
  }

  .bi-graph-legend {
    gap: 10px;
  }

  .bi-timeline-item {
    flex: 0 0 170px;
  }

  .bi-chat-panel {
    width: calc(100vw - 32px);
    right: 16px;
    bottom: 84px;
  }

  .bi-chat-btn {
    bottom: 16px;
    right: 16px;
    width: 50px;
    height: 50px;
  }

  .bi-topbar {
    gap: 8px;
  }

  .bi-section {
    margin-bottom: 36px;
  }
}

@media (max-width: 480px) {
  .bi-headline {
    font-size: 1.35rem;
  }

  .bi-exec-brief__gist {
    font-size: 0.95rem;
  }

  .bi-graph {
    min-height: 220px;
  }

  .bi-graph-wrapper {
    padding: 16px;
  }

  .bi-impact-card {
    padding: 18px;
  }

  .bi-scenario-card {
    padding: 18px;
  }

  .bi-timeline-wrapper {
    padding: 16px;
  }

  .bi-forward-card {
    padding: 18px;
  }

  .bi-glossary-trigger {
    padding: 14px 18px;
    font-size: 0.82rem;
  }

  .bi-glossary-def.open {
    padding: 0 18px 14px;
  }
}

@media (min-width: 1024px) {
  .bi-headline {
    font-size: 2.5rem;
  }
}

/* --- Utility --- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* ============================================
   BriefIntel v4 — Additional Components
   ============================================ */

/* --- Tension Visual Tag (v4) --- */
.bi-tension-tag {
  display: inline-block;
  padding: 5px 16px;
  border-radius: var(--r-full, 0px);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  background: linear-gradient(135deg, var(--primary-glow, rgba(0,95,56,0.14)), var(--accent-light, rgba(201,150,26,0.15)));
  color: var(--primary, #005F38);
  border: 1px solid var(--primary, #005F38);
  box-shadow: 0 0 12px var(--primary-glow, rgba(0,95,56,0.14));
  animation: bi-tag-glow 3s ease-in-out infinite;
}

@keyframes bi-tag-glow {
  0%, 100% { box-shadow: 0 0 8px var(--primary-glow, rgba(0,95,56,0.10)); }
  50% { box-shadow: 0 0 20px var(--primary-glow, rgba(0,95,56,0.25)); }
}

/* --- Verdict Badges (v4) --- */
.bi-impact-card__verdict {
  flex-shrink: 0;
  padding: 3px 12px;
  border-radius: 12px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.bi-verdict--negative { background: rgba(200, 33, 58, 0.12); color: #C8213A; }
.bi-verdict--positive { background: rgba(29, 158, 117, 0.12); color: #1D9E75; }
.bi-verdict--neutral { background: rgba(59, 130, 246, 0.12); color: #3b82f6; }
.bi-verdict--mixed { background: rgba(201, 150, 26, 0.12); color: #C9961A; }

/* --- Pakistan Relevance Reason (v4) --- */
.bi-pk-reason {
  background: var(--surface, #fff);
  border: 1px solid var(--line, #BFD1C6);
  border-left: 4px solid var(--primary, #005F38);
  border-radius: var(--r-md, 0px);
  padding: 20px 24px;
  margin-bottom: 48px;
}

.bi-pk-reason__title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--primary, #005F38);
  margin-bottom: 8px;
}

.bi-pk-reason__chain {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 2px 10px;
  border-radius: 10px;
  background: var(--accent-light, rgba(201,150,26,0.15));
  color: var(--accent, #C9961A);
  margin-bottom: 12px;
}

.bi-pk-reason__text {
  font-size: 0.9rem;
  color: var(--text-2, #2D3D34);
  line-height: 1.7;
  margin: 0;
}

/* --- Tags (v4) --- */
.bi-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 24px;
  border-top: 1px solid var(--line, #BFD1C6);
  margin-bottom: 40px;
}

.bi-tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: var(--r-full, 0px);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--muted, #607568);
  background: var(--surface-2, #F0F4F1);
  border: 1px solid var(--line, #BFD1C6);
  transition: all 0.2s ease;
}

.bi-tag:hover {
  color: var(--primary, #005F38);
  border-color: var(--primary, #005F38);
  background: var(--primary-soft, rgba(0,95,56,0.08));
}

/* --- Chat Typing Indicator --- */
.bi-chat-typing {
  color: var(--muted, #607568);
  font-style: italic;
  animation: bi-typing-dots 1.4s infinite;
}

@keyframes bi-typing-dots {
  0%, 20% { opacity: 0.4; }
  50% { opacity: 1; }
  80%, 100% { opacity: 0.4; }
}

/* --- RAG Context (hidden) --- */
.bi-chat-rag-context {
  display: none !important;
}

/* --- Copy Link --- */
[data-copy-link].copied::after {
  content: 'Copied!';
  position: absolute;
  top: -28px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.65rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--primary, #005F38);
  color: #fff;
  white-space: nowrap;
  animation: bi-tooltip-fade 2s ease forwards;
}

@keyframes bi-tooltip-fade {
  0% { opacity: 0; transform: translateX(-50%) translateY(4px); }
  15% { opacity: 1; transform: translateX(-50%) translateY(0); }
  75% { opacity: 1; }
  100% { opacity: 0; }
}

[data-copy-link] {
  position: relative;
}

/* --- Additional Node Icon Types (v4) --- */
.bi-graph-node__icon--bank { background: linear-gradient(135deg, #14532d, #16a34a); }
.bi-graph-node__icon--business { background: linear-gradient(135deg, #1e3a5f, #2563eb); }
.bi-graph-node__icon--financial { background: linear-gradient(135deg, #713f12, #d97706); }

/* --- Category Badge (v4) --- */
.bi-badge--category {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: 10px;
  background: var(--primary-soft, rgba(0,95,56,0.08));
  color: var(--primary, #005F38);
}